United States Department of Transportation
i
Visibility concepts and measurement techniques for aviation purposes
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1971-07-01
[PDF-4.88 MB]
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Edition:Final report
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Abstract:This is the final report #1 of the Visibility Measuring Devices project, PPA-FA-15-Q, carried out for the Federal Aviation Administration at the Transportation Systems Center, both under the Department of Transportation. The report reviews present techniques for measuring
atmospheric transmittance and its conversion to runway visual range. The response of the pilot to visual cues used in determining the visibility is discussed as a function of his cockpit environment. The lights, utilized by the FAA as targets for visibility determinations are
discussed and used in the computations. New techniques for visibility measurements and new
concepts and definitions are discussed and analyzed. The emphasis is on techniques for measuring slant visual range by means of optical remote sensing devices. Various problems
relating to atmospheric modeling.
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